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单词 tophus
释义

tophusn.

Brit. /ˈtəʊfəs/, U.S. /ˈtoʊfəs/
Forms: Also 1500s–1600s tofus, 1600s tophis, tophas. plural tophi; also 1600s tophy, tophoes, tophuses, tofusses.
Etymology: < Latin tōphus, better tōfus , a general name for loose porous stones of various kinds, whence Italian tufo (also tofo in Florio, ‘a kind of soft, crumbling, or mouldring stone, to build withall’), French tuf (16th cent. in Hatzfeld & Darmesteter), ‘generic name of porous stones, produced in the form of sediment or incrustation, as calcareous, siliceous, volcanic tuf ’ (Littré): see also tuff n., tufa n.
1. A soft porous stone, arenaceous, calcareous, or volcanic; esp. a stony substance deposited by calcareous springs.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > calcareous tuff
tophus1555
calcareous tuff1569
calcareous tufa1811
calc-tuff1822
schaalstein1866
1555 R. Eden tr. Peter Martyr of Angleria Decades of Newe Worlde i. iv. f. 19v The stone cauled Tofus, whiche is soone resolued into sande.
1615 G. Sandys tr. Juvenal in Relation of Journey 161 How much more venerable had it beene, If grasse had cloth'd the circling banks in greene, Nor marble had the natiue tophis marr'd.
1615 G. Sandys Relation of Journey 272 The artificiall rocks, shells, mosse and tophas, seeme euen to excell that which they imitate.
1632 G. Sandys tr. Ovid Metamorphosis (new ed.) iii. 84 A natiue Arch she drew, With Pumice and light Tofusses [1621 Topases], that grew [ iii. 160 nam pumice vivo, Et levibus tophis nativum duxerat arcem].
1692 J. Ray Misc. Disc. v. 111 Among Tophi and Stones in those dry places.
1696 Philos. Trans. 1695–7 (Royal Soc.) 19 194 He produces one Echinus, bruised in the Tophus in which it lay.
1789 J. Pilkington View Derbyshire I. vii. 316 I have seen a stag's head..which was found in the tophus at Alport.
1842 W. T. Brande Dict. Sci., Lit. & Art 1244/1 Tophus,..the term..has been applied to porous deposits of calcareous matter from water.
2. Pathology. A concretion which forms on the surface of the joints, the teeth, the pinna of the ear, etc. in gout; a gouty deposit; also gravel, or a stone or calculus, formed within the body.
ΘΚΠ
the world > health and disease > ill health > a disease > growth or excrescence > [noun] > concretion
stonec1000
felta1548
toph1598
gravel-stone1606
tophus1607
concretion1646
talusa1728
calculus1732
osteid1855
concrement1885
inolith1886
milkstone1892
1607 E. Topsell Hist. Foure-footed Beastes 83 In the second venter of a cow there is a round blacke Tophus found, being of no waight.
1617 J. Woodall Surgions Mate 105 Amoniacum..dissolueth Tophoes or hard stones growne in the flesh.
1663 R. Boyle Some Considerations Usefulnesse Exper. Nat. Philos. ii. iii. 77 With a very few Doses..the Merchant was quickly free'd, not onely from his Pains, but from his Gouty Tophy.
1698 E. Tyson in Philos. Trans. (Royal Soc.) 20 132 These Hairy Tophi are frequently to be met with in the Stomachs of Bruits.
1860 R. G. Mayne Expos. Lexicon Med. Sci. Tophus... Med. A name for the matter concreted in the joints of the gouty; also the calculous matter concreted in the kidneys and urinary bladder; also the tartar on the teeth. Surg. Term for a swelling particularly affecting a bone, or the periosteum: a toph.
1881 A. Flint Treat. Princ. Med. (ed. 5) 1103 These gouty concretions are called tophi or chalk-stones.

Compounds

tophus-stone n. = travertine n.
ΘΚΠ
society > occupation and work > materials > raw material > stone or rock > [noun] > building stone > types of limestone for building
Purbeck stone1410
Tiburtine stonec1440
toph stonea1552
travertine1669
Purbeck1683
Purbeck marblea1697
Portland1711
tiber-stone1726
tophus-stone1830
Hopton wood1888
roach1911
the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > limestone > travertine
toph stonea1552
Tivertine1663
travertine1669
tophus-stone1830
1830 C. Lyell Princ. Geol. I. 211 Pallas..enumerates a great many hot springs, which have deposited monticules of travertin precisely analogous in composition and structure to those of the baths of San Filippo, and other localities in Italy... Speaking of the tophus-stone, as he terms these limestones, he often observes that it is snow-white.
This entry has not yet been fully updated (first published 1913; most recently modified version published online March 2022).
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n.1555
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